According to this post,
he's recently retired,
grown some dreadlocks,
and is "just looking to enjoy life and have some fun"
by moving from the dreary UK to sunny California,
replacing Perl with acoustic guitar strumming and '60s songwriting.

To set up such a site, we just need a recent photo, then age it by two weeks to improve the chances of BUK being recognized.
Just in case any Perl monk has abducted BrowserUk, it is never too late to do the right thing.